U M 3 7 5 8
Pin Number
Description
Designation
UM3758 UM3758 UM3758
-12OA
Address select
and open
12 is tri-state indicated as 0, 1
12
9
9
Al2
No connection
Noconnection
10
11
NC
NC
Address select line 13 is tri-state indicated as 0, 1
and open
13
14
Al3
Address select line 14 is tri-state indicated as 0, 1
and open
Al4
Al5
Al6
Al7
12
13
14
Address select line 15 is tri-state indicated as 0, 1
and open
10
11
Address select line 16 is tri-state indicated as 0, 1
and open
16
17
16
19
Address select line 17 is tri-state indicated as 0, 1
and open
12
Address select
and open
16 is tri-state indicated as 0, 1
R.C. input pin for
pin oscillator. A resistor is
15
13
15
o s c
connected from this pin to
and a capacitor to Vss
The ground pin for UM3756
20
16
vss
17
This pin is used to select transmit or receive mode
21
MODE
MODE
MODE
:
mode
Vss : Decoder mode
22
input pin. Receives waveform from the detect
16
17
RXINP
OUT
circuit
In
mode, this pin will transmit waveform; in
23
24
19
mode, this pin will
to LOW if comparison
is OK
The positive power supply of UM3756
20
VDD
4
UMC [ UMC CORPORATION ]
